This kit creates a full size rack that sits above your Toyota Tundra Crew Cab 4-Door’s truck bed. This Slimline II cargo carrying rack kit contains the Slimline II tray (1475mm/58.1” (W) x 1358mm/53.5” (L)), 2 Tracks, and 4 Pickup Truck Bed Universal Legs that fit into the Tracks. Drilling is required for installation. All Front Runner Rack Kits contain installation instructions as well as all the components needed to mount the Slimline II Tray to your vehicle. All Front Runner Racks are backed by a Limited Lifetime Warranty* For further information on installation, please see the fitment instructions in the INSTALL tab.